Make sure the battery fits well in the back of the phone. There are 2 metal squares on the side of the battery that need to be touching the 2 metal squares in the cavity where the battery fits. This provides a connection that allows the electricity from the battery to flow into the phone. It is common for the battery to become loose or disconnected from the phone if it is dropped or handled aggressively.

The camera may be broken or damaged. The rear camera can be identified on the back of the phone. It could become damaged if scratched or if excess heat was applied to the camera. See our camera replacement guide.

The flex cable failed and might need to be replaced. The flex cable is a long, thin cable that connects all of the phone pieces and can cause the phone to malfunction if it is not properly operating. See our flex cable replacement guide.

Battery life is brief if you do not plug the phone in for very long. Try leaving the phone to charge overnight. If this does not increase the battery life, your battery may need replacing. See our battery replacement guide.

Batteries can only be charged a certain number of times before they stop holding charge. On average, batteries need replacement every two years. To replace the battery, see our battery replacement guide.

The Samsung Stratosphere can have a number of applications running in the background without you being aware. Try reducing the number of running applications or download special battery performance apps.

A failing flex cable could effect the battery's function and need replacement. If your phone randomly shuts down, but has a good battery, your flex cable may be broken. To replace the flex cable, see our flex cable replacement guide.

A broken screen may render the Stratosphere's softkeys unresponsive. Simply inspect the screen surface for any cracks. If it is cracked, the screen may need to be replaced. See our display replacement guide.

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